transition

First time, long time - and thanks in advance. Information from this forum helped me update all the water piping in my new, old house. I have a 1938 fixer and am working to remodel a 1/2 bath. I think most of my questions were answered in a similar forum question here...

Connecting supply lines to both kitchen and bathroom sink. Please look at picture...I have 4 galvanized stubs coming out from the concrete floor.. There are 4 female galvanized couplings on each of them...can I put male brass nipples schedule 40 that is 5" long and put a chrome plated brass...